Programmable Calculator

Programmable Calculator

Programmable calculators are calculators that can automatically carry out a sequence of operations under control of a stored program, much like a computer. The first programmable calculators such as the IBM CPC used punched cards or other media for program storage. Hand-held electronic calculators store programs on magnetic strips, removable read-only memory cartridges, or in battery-backed read/write memory.

Since the early 1990s, most of these flexible handheld units belong to the class of graphing calculators. Before the mass-manufacture of inexpensive dot-matrix LCD displays, however, programmable calculators usually featured a one-line numeric or alphanumeric display.

For earlier devices, see: History of computing hardware

Read more about Programmable Calculator:  Calculator Programming, Persistent Memory, Programmable Calculators and Pocket Computers

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Programmable Calculators and Pocket Computers
... Throughout the 80's and the beginning of the 90's programmable calculators stood in competition with pocket computers, with high end calculators sharing many similarities ... For example both device types were programmable in unstructured BASIC and with few exceptions featured QWERTY keyboards ... However there were also some differences BASIC programmable calculators often featured an additional "calculator like" keyboard and a special calculator mode in which the system behaved ...

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